Begum, Hosne Ara, and Mohammad Khalid Bin Mahbub. “Effectiveness of Carboxymethyl Cellulose for the Removal of Methylene Blue from Aqueous Solution”. Dhaka University Journal of Science, vol. 61, no. 2, Nov. 2013, pp. 193-8, doi:10.3329/dujs.v61i2.17069.